cameraShot特效及旋转

This commit is contained in:
Jerry Yan 2025-03-05 12:16:10 +08:00
parent 4549b0ab44
commit 94373cee72

View File

@ -185,22 +185,36 @@ class FfmpegTask(object):
if effect.startswith("cameraShot:"):
param = effect.split(":", 2)[1]
if param == '':
param = "3,1"
param = "3,1,0"
_split = param.split(",")
start = 3
duration = 1
rotate_deg = 0
if len(_split) >= 3:
if _split[2] == '':
rotate_deg = 0
else:
rotate_deg = int(_split[2])
if len(_split) >= 2:
start = int(_split[0])
duration = int(_split[1])
elif len(_split) == 1:
start = int(_split[0])
duration = float(_split[1])
if len(_split) >= 1:
start = float(_split[0])
_start_out_str = "[eff_s]"
_mid_out_str = "[eff_m]"
_end_out_str = "[eff_e]"
filter_args.append(f"{video_output_str}fps=fps={self.frame_rate},split{_start_out_str}{_end_out_str}")
filter_args.append(f"{_start_out_str}trim=start={0}:end={start+duration},freezeframes=first={start*self.frame_rate}:replace={start*self.frame_rate}{_start_out_str}")
filter_args.append(f"{_end_out_str}trim=start={start}{_end_out_str}")
filter_args.append(f"{video_output_str}split=3{_start_out_str}{_mid_out_str}{_end_out_str}")
filter_args.append(f"{video_output_str}[0:v]select=lt(n\,{int(start*self.frame_rate)}){_start_out_str}")
filter_args.append(f"{video_output_str}[0:v]select=gt(n\,{int(start*self.frame_rate)}){_end_out_str}")
filter_args.append(f"{video_output_str}[0:v]select=eq(n\,{int(start*self.frame_rate)}){_mid_out_str}")
filter_args.append(f"{_mid_out_str}tpad=start_mode=clone:start_duration={duration:.4f}{_mid_out_str}")
if rotate_deg != 0:
filter_args.append(f"{_mid_out_str}rotate=PI*{rotate_deg}/360{_mid_out_str}")
# filter_args.append(f"{video_output_str}trim=start=0:end={start+duration},tpad=stop_mode=clone:stop_duration={duration},setpts=PTS-STARTPTS{_start_out_str}")
# filter_args.append(f"tpad=start_mode=clone:start_duration={duration},setpts=PTS-STARTPTS{_start_out_str}")
# filter_args.append(f"{_end_out_str}trim=start={start}{_end_out_str}")
video_output_str = "[v_eff]"
filter_args.append(f"{_start_out_str}{_end_out_str}concat=n=2:v=1:a=0{video_output_str}")
# filter_args.append(f"{_end_out_str}{_start_out_str}overlay=eof_action=pass{video_output_str}")
filter_args.append(f"{_start_out_str}{_mid_out_str}{_end_out_str}concat=n=3:v=1:a=0,setpts=N/{self.frame_rate}/TB{video_output_str}")
elif effect.startswith("zoom:"):
...
...